Router logs questions

[Zstream]

I know this is a older router but for some reason the new firmware causes this in the logs and then well my pc loses connection.

Apr/01/2002 02:22:09 Smurf Attack Detect 192.168.0.1:8 192.168.0.1:0 Packet Dropped
Apr/01/2002 02:21:06 Smurf Attack Detect 192.168.0.1:8 192.168.0.1:0 Packet Dropped
Apr/01/2002 02:20:04 Smurf Attack Detect 192.168.0.1:8 192.168.0.1:0 Packet Dropped
Apr/01/2002 02:19:01 Smurf Attack Detect 192.168.0.1:8 192.168.0.1:0 Packet Dropped
Apr/01/2002 02:17:58 Smurf Attack Detect 192.168.0.1:8 192.168.0.1:0 Packet Dropped
Apr/01/2002 02:17:43 DHCP Request success 70.130.149.97
Apr/01/2002 02:17:43 DHCP Request 70.130.149.97
Apr/01/2002 02:16:56 Smurf Attack Detect 192.168.0.1:8 192.168.0.1:0 Packet Dropped
Apr/01/2002 02:16:51 DHCP Request 70.130.149.97
Apr/01/2002 02:15:54 Wireless PC connected 00-12-5a-75-12-7f